#!/bin/bash
retur=1
seek_power=1
change_power=1
if [ $HOME != "/root" ]
then
echo "sorry, you don't have the right to visit this scritp"
fi

while [ $retur==1 ]
do
echo "input dirtory"
read dir1
t1=$?
if [ $t1 != 0 ]
then
echo "dont input to dir1,re-input"
continue
fi

if [ -d $dir1 ]
then
break
else
echo "shurucuoru ,re-input"
retur=1
fi
done


while [ $seek_power == 1 ]
do
find $dir1 -perm -u=x >20.txt
seek_power=$?

done

if [ ! -s 20.txt ]
then 
echo "don't have this legal power "
exit
fi

echo "change legal power.........."
set `cat 20.txt`
for i in $*
do
echo -n "$i want to change enter y,or enter anything:"
read keep
if [ $keep == "y" ]
then
while [ $chang_power ==1 ]
do
chmod u-s $i
chang_power=$?
done
echo "$i change success"
ls -l $i
else
echo "not chang $i"
fi
done
echo "all change success"
